RANUNCULUS BULBOSUS. 
Bulbous Crowfoot. 
PLATE XLVII. 
Ir is a remarkable fact that a great portion 
of the weeds, which are most troublesome in the 
United States, are of European origin, haying 
introduced themselves since the discovery of this 
country. Some of these emigrants have settled 
in our grazing and mowing lands, such as the 
Ranunculus. bulbosus, acris and repens, indis- 
criminately called Buttercups, Crowfoot, and 
Yellow weed; the Chrysanthemum leucanthe- 
mum, or White weed; the Rumex acetosella, or 
Sorrel ; the Hypericum perforatum, or St. John’s 
wort, &c. In our cornfields and gardens are 
quartered the Couch grass, Triticum repens ; the 
different species of Goosefoot or Pig weed, Che- 
nopodium ; the Dock, Rumex crispus, §c.; the 
Charlock or Wild Radish, Raphanus Raphanis- 
trum; Burdock, Arctium lappa, &c. Some have 
